Box passion Aphrodite - Hades. Geometric shape with a heart. Venus associated with God of the Underworld. added to Pluto making up a square. Venus intersecting with God of the Underworld. The bond between passion plus Venus, without Hades. The square as a symbol of passionate love, associated with Venus and God of the Underworld. Two forces merged in a geometric shape: plus Aphrodite to Hades.